Blood, by definition, is a fluid that moves through the vessels of a circulatory system. In humans, it includes plasma (the liquid portion), blood cells (which come in both red and white varieties), …

Spin down your blood and find out what it's made up of. This video provides a detailed look at the composition of blood, explaining the roles of plasma, white blood cells, and red blood cells.

The first step in making urine is to separate the liquid part of your blood (plasma), which contains all the dissolved solutes, from your blood cells. Each nephron in your kidneys has a …

Blood is about 45% cells and 55% plasma, so the adage “blood is thicker than water” holds true in scientific terms! Learn more about how this system works in these videos.

When you had your blood taken for a test, have you wondered why it looked red? Have you wondered what blood was made of? And why it's so important? Watch the series of videos to …

Here we look at the Rh factor and how it affects the compatibilities of blood groups.

This exercise has questions about the components of blood - plasma, RBCs, WBCs, and platelets.

Learn about the unique properties of blood types and their importance in medical procedures like transfusions. Discover the role of A and B molecules in determining blood types, and how …

Because in the rest of the body when we're going away from the heart or we're talking about arteries, you're going to see that that's oxygenated blood, while when we're going away from …

Learn Blood Components of Blood I Components of Blood II Blood types Rh blood group system